content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but 
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------------------
   * XYTitleAnnotationTests.java
   * ---------------------------
   * (C) Copyright 2007, 2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 30-Apr-2007 : Version 1 (DG);
   * 26-Feb-2008 : Added testDrawWithNullInfo() (DG);
   *
   */
  
  package org.jfree.chart.annotations;
  
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
  import org.jfree.chart.title.TextTitle;
  import org.jfree.data.xy.DefaultTableXYDataset;
  import org.jfree.data.xy.XYSeries;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  /**
   * Tests for the {@link XYTitleAnnotation} class.
   */
  public class XYTitleAnnotationTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          TextTitle t = new TextTitle("Title");
          XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
          XYTitleAnnotation a2 = new XYTitleAnnotation(1.0, 2.0, t);
          assertEquals(a1, a2);
          
          a1 = new XYTitleAnnotation(1.1, 2.0, t);
          assertFalse(a1.equals(a2));
          a2 = new XYTitleAnnotation(1.1, 2.0, t);
          assertEquals(a1, a2);
  
          a1 = new XYTitleAnnotation(1.1, 2.2, t);
          assertFalse(a1.equals(a2));
          a2 = new XYTitleAnnotation(1.1, 2.2, t);
          assertEquals(a1, a2);
          
          TextTitle t2 = new TextTitle("Title 2");
          a1 = new XYTitleAnnotation(1.1, 2.2, t2);
          assertFalse(a1.equals(a2));
          a2 = new XYTitleAnnotation(1.1, 2.2, t2);
          assertEquals(a1, a2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode. 
       */
      @Test
      public void testHashCode() {
          TextTitle t = new TextTitle("Title");
          XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
          XYTitleAnnotation a2 = new XYTitleAnnotation(1.0, 2.0, t);
          assertEquals(a1, a2);
          int h1 = a1.hashCode();
          int h2 = a2.hashCode();
          assertEquals(h1, h2);
      }
      
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          TextTitle t = new TextTitle("Title");
          XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
          XYTitleAnnotation a2 = (XYTitleAnnotation) a1.clone();
          assertNotSame(a1, a2);
          assertSame(a1.getClass(), a2.getClass());
          assertEquals(a1, a2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          TextTitle t = new TextTitle("Title");
          XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(a1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          XYTitleAnnotation a2 = (XYTitleAnnotation) in.readObject();
          in.close();
          assertEquals(a1, a2);
      }
      
      /**
       * Draws the chart with a <code>null</code> info object to make sure that 
       * no exceptions are thrown.
       */
      @Test
      public void testDrawWithNullInfo() {
  
              DefaultTableXYDataset dataset = new DefaultTableXYDataset();
          
              XYSeries s1 = new XYSeries("Series 1", true, false);
              s1.add(5.0, 5.0);
              s1.add(10.0, 15.5);
              s1.add(15.0, 9.5);
              s1.add(20.0, 7.5);
              dataset.addSeries(s1);
          
              XYSeries s2 = new XYSeries("Series 2", true, false);
              s2.add(5.0, 5.0);
              s2.add(10.0, 15.5);
              s2.add(15.0, 9.5);
              s2.add(20.0, 3.5);
              dataset.addSeries(s2);
              XYPlot plot = new XYPlot(dataset, 
                      new NumberAxis("X"), new NumberAxis("Y"), 
                      new XYLineAndShapeRenderer());
              plot.addAnnotation(new XYTitleAnnotation(5.0, 6.0, 
                      new TextTitle("Hello World!")));
              JFreeChart chart = new JFreeChart(plot);
              /* BufferedImage image = */ chart.createBufferedImage(300, 200, 
                      null);
              //FIXME we should really assert a value here
      }
  
  }
  